Home / 2,117,178.18-2,921,610.66-1,199,388.56

Finding the Fourth Proportional to 2,117,178.18, 2,921,610.66 and 1,199,388.56

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Solution

The fourth proportional to 2,117,178.18, 2,921,610.66 and 1,199,388.56 is: 1,655,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,178.18 : 2,921,610.66 = 1,199,388.56 : x
  2. Step 2: Convert to fraction form
    2,117,178.18/2,921,610.66 = 1,199,388.56/x
  3. Step 3: Cross multiply
    2,117,178.18x = 2,921,610.66 × 1,199,388.56
  4. Step 4: Simplify right side
    2,117,178.18x = 3,504,146,402,378.05
  5. Step 5: Solve for x
    x = 3,504,146,402,378.05/2,117,178.18
  6. Step 6: Final answer
    x = 1,655,102.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.